/* * Copyright (c) 2021 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * @tc.name:wrapperclassfunc * @tc.desc:test wrapper * @tc.type: FUNC * @tc.require: issueI5NO8G */ (() => { function WrapperFunc(propertyDesc) { const method = propertyDesc.value propertyDesc.value = () => { print("wrapper call") method() } } function decorate(obj, key) { var method = Object.getOwnPropertyDescriptor(obj, key) WrapperFunc(method) Object.defineProperty(obj, key, method) } class RawClass { printString() { print("raw function") } } decorate(RawClass.prototype, "printString") globalThis.cls = new RawClass() globalThis.cls.printString() })()